Uncategorized
-
Brain protein peps up and soothes rodents
A recently identified brain hormone increases wakefulness and appears to suppress fear when it's injected into rodents.
- Health & Medicine
Bright nights kindle cancers in mice
Data from mice subjected to constant illumination suggest that artificial light may increase risks of lung and liver cancers and leukemia.
- Animals
Policing egg laying in insect colonies
Kinship by itself can't explain the vigilante justice of some ant, bee, and wasp workers.
- Planetary Science
Martian ice could be sculpting surface patterns
Images taken by the Mars Global Surveyor suggest that most areas with geological features known as patterned ground appear at high latitudes.
